TY - JOUR AU - V. S. Gonchenko AU - I. I. Ovsyannikov TI - On bifurcations of three-dimensional diffeomorphisms with a homoclinic tangency to a “neutral” saddle fixed point JO - Zapiski Nauchnykh Seminarov POMI PY - 2003 SP - 167 EP - 172 VL - 300 UR - http://geodesic.mathdoc.fr/item/ZNSL_2003_300_a14/ LA - en ID - ZNSL_2003_300_a14 ER -